Studies to determine the immunomodulating effects of cis-urocanic acid

被引:27
作者
Norval, M [1 ]
El-Ghorr, AA [1 ]
机构
[1] Univ Edinburgh, Sch Med, Edinburgh EH8 9AG, Midlothian, Scotland
关键词
D O I
10.1016/S1046-2023(02)00210-4
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Exposure to ultraviolet (UV) radiation, particularly the UVB wavelengths, leads not only to DNA damage but also to suppression of cell-mediated immunity to antigens encountered shortly after the irradiation. One initiator of this complex process is cis-urocanic acid (cis-UCA), which is formed from the naturally occurring trans isomer in the epidermis on absorption of UV. cis-UCA has been shown to have immunomodulating properties in a variety of in vivo and in vitro experimental systems, although its mechanism of action is not yet clear. This article covers methods of preparing cis-UCA and of analyzing UCA isomers in various human and mouse tissues. Experiments that demonstrate that cis-UCA is immunosuppressive are described. The final section deals with the preparation and characterization of a monoclonal antibody with specificity for cis-UCA. (C) 2002 Elsevier Science (USA). All rights reserved.
引用
收藏
页码:63 / 70
页数:8
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